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Gerry Cooney, Founder & Head Coach

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Zach Even-Esh, Founder & Head Coach

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Vitor "Shaolin" Riberio, Founder & Head Coach

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Donnie DeFilippis, Founder & Head Coach

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Location

2507 Route 22 West
​Scotch Plains, NJ 07076

What Our Clients Are Saying

"I want to give a shout out to my amazing gym, Yeti MMA has brought several world class trainers together under one roof.  Strength, boxing, wrestling , Brazilian jiu jitsu.  If anyone knows me, they know I am a class junkie and have tried a lot of different classes. Never have I ever felt such confidence in a trainer, but Andy Wary (aka the educated meathead) at The Underground strength gym is IT! He’s the one, he has that something special that makes you believe in yourself and push yourself beyond your comfort zone. His knowledge is unbelievably expansive and comforting. He is so informative, I trust him implicitly. I have done other heavy weight classes before and have injured my back, I pushed harder and never ever was injured. His tweaking and attention to detail made sure of that. If you think you don’t need heavy weight training, you are wrong! DEAD WRONG! It’s for EVERYONE at any level. Keep making people stronger!!" ~ Jodi

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